video canon? projector?
Also with 'exceptional room arrangement', I'd use 'special'.
Welcome to have some nice meetings to both City Council House and City Hall
Hmm- I'd say, We hope you will enjoy your meeting.../We look forward to welcoming you... The reception and security staff
With co-operative greetings, the staff for reception and security
Cooperative greetings- wounds weird to me. I think you could delete it